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GB/T 42677-2023
Non-destructive testing (NDT) methods of steel tubes—Liquid penetrant inspection of seamless and welded steel tubes for the detection of surface imperfections
GB/T 42673-2023
Non-destructive testing of steel tubes—Magnetic particle inspection of seamless and welded ferromagnetic steel tubes for the detection of surface imperfections
GB/T 42662-2023
Non-destructive testing of steel tubes—Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes
GB/T 42664-2023
Non-destructive testing of steel tubes—Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections
GB/T 42660-2023
Aerosol particle number concentration—Calibration of condensation particle counters
GB/T 10095.2-2023
Cylindrical gears—ISO system of flank tolerance classification—Part 2: Definitions and allowable values of double flank radial composite deviations
GB/T 42762-2023
General technical requirements for cups and kettles
GB/T 42732-2023
Nanotechnologies—Size distribution and concentration measurement of inorganic nanoparticles in aqueous media — Single particle inductively coupled plasma mass spectrometry
GB/T 18887-2023
Geosynthetics—Geocomposites made of woven/nonwoven geotextiles
GB/T 42744-2023
Microwave circuit—Measuring methods for electrically controlled attenuator
GB/T 42837-2023
Microwave semiconductor integrated circuits—Amplifier
GB/T 42836-2023
Microwave semiconductor integrated circuits—Frequency mixer
GB/T 42839-2023
Semiconductor integrated circuits—Analog digital（AD） converter
GB/T 42835-2023
Semiconductor integrated circuits—System on chip(SoC)
GB/T 42838-2023
Semiconductor integrated circuits—Measuring method of Holzer circuit
GB/T 42711-2023
Wireless power supply in mechanical parking system—Technical requirement and testing specification
GB/T 29344-2023
Technical specifications for the harvesting and processing of ganoderma spore powder
GB/T 42743-2023
Information and documentation—Metadata element set for records of national science and technology major project
GB/T 42629.4-2023
Code of practice for international seabed area and high seas environmental survey—Part 4: Physical features survey of marine sediments
GB/T 37977.51-2023
Electrostatics—Part 5-1: Protection of electronic devices from electrostatic phenomena—General requirements
